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21. 发明申请

US20190033762A1 PRESSURE ROLLER, IMAGE HEATING DEVICE, AND IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20190033762A1
公开(公告)日：2019-01-31
申请号：US16038441
申请日：2018-07-18
申请人： CANON KABUSHIKI KAISHA
发明人： Shoichiro Ikegami , Naofumi Murata , Yutaka Arai , Jun Miura
IPC分类号： G03G15/20 , G03G15/16 , G03G15/08
摘要： Provided is a pressure roller for an image heating device that forms a nip part together with a heating member, the pressure roller including at least a mandrel, a first elastic layer, and a second elastic layer provided between the mandrel and the first elastic layer, wherein the first elastic layer has open-cell voids, is made of rubber, and has a thickness of at least 50 μm and less than 500 μm, and the second elastic layer is made of solid rubber.

22. 发明申请

US20180284659A1 ELECTROPHOTOGRAPHIC ROTATABLE PRESSING MEMBER AND METHOD OF MANUFACTURING THE SAME, AND FIXING DEVICE 审中-公开
公开(公告)号：US20180284659A1
公开(公告)日：2018-10-04
申请号：US15926028
申请日：2018-03-20
申请人： CANON KABUSHIKI KAISHA
发明人： Jun Miura , Yutaka Arai , Takeshi Suzuki , Akeshi Asaka , Shigeaki Takada , Masaaki Takahashi , Yo Imaizumi
IPC分类号： G03G15/20 , B05D1/30
CPC分类号： G03G15/206 , B05D1/30 , G03G15/2057 , G03G15/2064 , G03G2215/2035
摘要： Provided is an electrophotographic rotatable pressing member having further durability. The electrophotographic rotatable pressing member includes: a substrate; and an elastic layer formed on the substrate, the elastic layer containing a silicone rubber and a needle-shaped filler dispersed in the silicone rubber and having hollow parts, wherein, when cutting the elastic layer along a cross section including a center axis of the substrate in a longitudinal direction of the electrophotographic rotatable pressing member, and a total of each sectional area of the hollow parts in a unit area A2 of a cross-sectional surface is defined as A1, a standard deviation of an area ratio A1/A2 is 0.08 or less.

23. 发明申请

US20180210354A1 ELECTROPHOTOGRAPHIC MEMBER, METHOD FOR MANUFACTURING ELECTROPHOTOGRAPHIC MEMBER, AND FIXING APPARATUS 审中-公开
公开(公告)号：US20180210354A1
公开(公告)日：2018-07-26
申请号：US15861772
申请日：2018-01-04
申请人： CANON KABUSHIKI KAISHA
发明人： Akeshi Asaka , Shigeaki Takada , Akiyoshi Shinagawa , Koichi Kakubari , Hiroto Ito , Yutaka Arai
IPC分类号： G03G5/043 , G03G15/20
CPC分类号： G03G5/0433 , G03G15/206 , G03G15/2064
摘要： Provided is an electrophotographic member capable of reducing a rise time of a fixing apparatus and preventing occurrence of a defective image due to an electrostatic offset. The electrophotographic member has a substrate, an elastic layer, and a surface layer containing a fluororesin, in this order, the elastic layer has a communication hole of which pores are communicated with each other, and an ionic conductive agent is adhered to an inner wall of the communication hole.

24. 发明授权

US09348282B2 Fixing member 有权
标题翻译：固定件
公开(公告)号：US09348282B2
公开(公告)日：2016-05-24
申请号：US14755075
申请日：2015-06-30
申请人： CANON KABUSHIKI KAISHA
发明人： Shuichi Tamura , Akeshi Asaka , Hiroto Sugimoto , Shinsuke Takahashi , Shigeaki Takada , Yutaka Arai , Jun Miura
IPC分类号： G03G15/20
CPC分类号： G03G15/206 , G03G15/2053 , G03G15/2057 , G03G15/2064 , G03G2215/2035 , G03G2215/2048
摘要： A fixing member, includes: a base layer; and a porous elastic layer provided on the base layer and configured to contain a needle-like filler. The elastic layer has a thermal conductivity, with respect to a longitudinal direction thereof, which is 6 times to 900 times a thermal conductivity with respect to a thickness direction thereof. The elastic layer has an open cell rate larger at longitudinal end portions than at a longitudinal central portion.
摘要翻译：固定构件，包括：基层; 以及多孔弹性层，其设置在所述基底层上并且构造成容纳针状填料。弹性层相对于其长度方向具有相对于其厚度方向的导热性的6〜900倍的热导率。弹性层的纵向端部的开孔率比纵向中心部分宽。

25. 发明授权

US09304461B2 Method for manufacturing pressure rotating member 有权
标题翻译：压力旋转部件的制造方法
公开(公告)号：US09304461B2
公开(公告)日：2016-04-05
申请号：US14730766
申请日：2015-06-04
申请人： CANON KABUSHIKI KAISHA
发明人： Jun Miura , Yutaka Arai
IPC分类号： G03G15/20 , B05D1/30
CPC分类号： G03G15/206 , B05D1/30 , G03G15/2057 , G03G2215/2035
摘要： The present invention relates to a pressure rotating member which achieves the shortening of a warm-up time while suppressing a non-recording material-contacting area's temperature rise. The pressure rotating member which is used in a thermal fixing apparatus includes: a substrate; and an elastic layer that is formed on the substrate and has a void, wherein the elastic layer contains a needle-shaped filler, wherein the needle-shaped filler has such a thermal conductivity λ1 of the elastic layer in a direction along a rotary axis of the pressure rotating member as to be 6 times or more and 900 times or less of a thermal conductivity λ2 of the elastic layer in a thickness direction.
摘要翻译：本发明涉及一种在抑制非记录材料接触区域的温度上升的同时实现预热时间缩短的压力旋转部件。在热定影装置中使用的压力旋转构件包括：基板; 以及形成在所述基板上并具有空隙的弹性层，其中所述弹性层包含针状填料，其中所述针状填料在沿着旋转轴线的方向上具有弹性层的热导率λ1 压力旋转构件的厚度方向的弹性层的导热率λ2的6倍以上且900倍以下。

26. 发明申请

US20160018767A1 FIXING DEVICE 有权
标题翻译：固定装置
公开(公告)号：US20160018767A1
公开(公告)日：2016-01-21
申请号：US14798613
申请日：2015-07-14
申请人： CANON KABUSHIKI KAISHA
发明人： Shigeaki Takada , Toshinori Nakayama , Masayuki Tamaki , Naoki Akiyama , Akeshi Asaka , Koichi Kakubari , Yutaka Arai , Jun Miura
IPC分类号： G03G15/20
CPC分类号： G03G15/206 , G03G15/2042 , G03G2215/2035
摘要： A fixing device includes a rotatable heating member and a rotatable pressing member which are configured to fix a toner image on a recording material in a nip therebetween; and a heating mechanism configured to selectively heat regions of the rotatable heating member depending on sizes of the recording material when the sizes are predetermined ones of all sizes usable in the fixing device. The rotatable pressing member includes a base layer and a porous elastic layer provided on the base layer and containing a needle-like filler. The elastic layer having a thermal conductivity, with respect to a longitudinal direction thereof, which is 6 times to 900 times a thermal conductivity with respect to a thickness direction thereof.
摘要翻译：定影装置包括可旋转加热构件和可旋转的按压构件，其被配置为将调色剂图像固定在其间的间隙中的记录材料上; 以及加热机构，其构造成当尺寸是可用于定影装置中的所有尺寸中的预定尺寸时，根据记录材料的尺寸选择性地加热可旋转加热构件的区域。可旋转按压构件包括基底层和设置在基底层上并包含针状填充物的多孔弹性层。弹性层相对于其长度方向具有相对于其厚度方向的导热性的6〜900倍的热导率。

27. 发明授权

US09176442B2 Roller, heating member, and image heating apparatus equipped with roller and heating member 有权
标题翻译：滚筒，加热部件和装有滚筒和加热部件的图像加热装置
公开(公告)号：US09176442B2
公开(公告)日：2015-11-03
申请号：US14553115
申请日：2014-11-25
申请人： CANON KABUSHIKI KAISHA
发明人： Toshinori Nakayama , Hiroto Sugimoto , Masayuki Tamaki , Koichi Kakubari , Katsuhisa Matsunaka , Yutaka Arai , Jun Miura , Takeshi Suzuki , Naoki Akiyama , Shigeaki Takada , Yasuhiro Miyahara
IPC分类号： G03G15/20
CPC分类号： G03G15/206 , G03G15/2057
摘要： An image heating apparatus includes an endless belt configured to heat an image on a sheet at a nip potion, a heat generation device configured to cause the belt to generate heat, a nip forming member configured to form the nip portion between the nip forming member and the belt, and a pressing roller configured to press an inner surface of the belt toward the nip forming member, the pressing roller including an elastic porous layer containing a plurality of filler particles, wherein a thermal conductivity of the elastic porous layer in an axial direction of the pressing roller is in a range of 6 times to 900 times a thermal conductivity of the elastic porous layer in a radial direction of the pressing roller.
摘要翻译：图像加热装置包括：环形带，被配置为在夹持部处加热片材上的图像;构造成使带发热的发热装置;构造成在辊隙形成部件和辊隙形成部件之间形成辊隙部的辊隙形成部件; 所述带和构造成将所述带的内表面压向所述辊隙形成构件的加压辊，所述加压辊包括含有多个填料颗粒的弹性多孔层，其中所述弹性多孔层在轴向上的导热率的压力辊在挤压辊的径向方向上的弹性多孔层的导热率的6倍至900倍的范围内。

28. 发明授权

US10545440B2 Pressure roller, image heating device, and image forming apparatus 有权
公开(公告)号：US10545440B2
公开(公告)日：2020-01-28
申请号：US16038441
申请日：2018-07-18
申请人： CANON KABUSHIKI KAISHA
发明人： Shoichiro Ikegami , Naofumi Murata , Yutaka Arai , Jun Miura
IPC分类号： G03G15/20 , G03G15/08 , G03G15/16
摘要： Provided is a pressure roller for an image heating device that forms a nip part together with a heating member, the pressure roller including at least a mandrel, a first elastic layer, and a second elastic layer provided between the mandrel and the first elastic layer, wherein the first elastic layer has open-cell voids, is made of rubber, and has a thickness of at least 50 μm and less than 500 μm, and the second elastic layer is made of solid rubber.

29. 发明授权

US10281858B2 Roller with elastic layers having different indentation elastic moduli, and fixing device having roller 有权
公开(公告)号：US10281858B2
公开(公告)日：2019-05-07
申请号：US16014256
申请日：2018-06-21
申请人： CANON KABUSHIKI KAISHA
发明人： Naofumi Murata , Shoichiro Ikegami , Yutaka Arai , Jun Miura
IPC分类号： G03G15/20 , B32B1/08 , B32B7/02 , B32B25/04
摘要： A roller usable in an image fixing device for an electrophotographic image forming apparatus includes a first elastic layer; a second elastic layer provided closer to a center of the roller than the first elastic layer, the second elastic layer having a thermal conductivity in a thickness direction higher than that of the first elastic layer; a third elastic layer provided between the first elastic layer and the second elastic layer, wherein an indentation elastic modulus EIT1 of the first elastic layer, an indentation elastic modulus EIT2 of the second elastic layer, and an indentation elastic modulus of the third elastic layer satisfy E1T1

30. 发明授权

US10189233B2 Method for fixing resin tube to die and manufacturing method for resin-tube covered roller 有权
公开(公告)号：US10189233B2
公开(公告)日：2019-01-29
申请号：US15333626
申请日：2016-10-25
申请人： CANON KABUSHIKI KAISHA
发明人： Takeshi Suzuki , Yutaka Arai , Masaaki Takahashi , Shigeaki Takada , Akeshi Asaka , Yukio Sasame , Masayuki Onuma
IPC分类号： B32B37/12 , B23P11/00 , B23P11/02 , B23P15/24 , B29D99/00 , G03G15/20 , F16C13/00
摘要： One end portion of a resin tube kept in a diameter expanded state by a plurality of diameter expanding claws is disengaged from the diameter expanding claws and is shifted onto an outer peripheral surface of a die by applying a pressing force toward the other end portion of the resin tube to an end surface of the one end portion of the resin tube.

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